transverse gradient
41River Don, South Yorkshire — River Don The River Don as it flows past Hillsborough Stadium. Origin Pennines …
42Cromford and High Peak Railway — The Cromford and High Peak Railway (C HPR) in Derbyshire, England, was completed in 1831, to carry minerals and goods between the Cromford Canal wharf at High Peak Junction (53°06′01″N 1°32′01″W / …
43Canterbury and Whitstable Railway — Invicta preserved at Canterbury in the 1970s Locale Kent, England Dates of operation …
44Laser beam profiler — A laser beam profiler captures, displays, and records the spatial intensity profile of a laser beam at a particular plane transverse to the beam propagation path. Since there are many types of lasers ultraviolet, visible, infrared, continuous… …
45respiration, human — ▪ physiology Introduction the process by which oxygen is taken up and carbon dioxide discharged. The design of the respiratory system The human gas exchanging organ, the lung, is located in the thorax, where its delicate tissues are… …
46roads and highways — ▪ transportation Introduction traveled way on which people, animals, or wheeled vehicles move. In modern usage the term road describes a rural, lesser traveled way, while the word street denotes an urban roadway. Highway refers to a major… …
47DÉPRESSIONS ET CYCLONES — Les dépressions sont les zones de basses pressions atmosphériques accompagnées d’une rotation des vents en sens inverse des aiguilles d’une montre, ou sens cyclonique, dans l’hémisphère Nord. Elles présentent une grande variété de formes et… …
48Loop of Henle — Scheme of renal tubule and its vascular supply. (Loop of Henle visible center left.) Latin ansa nephroni Gray s …
49Somerset and Dorset Joint Railway — Overview Type Heavy rail Status Disused Locale …
50permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …
